#!/bin/sh -e
# Script that uses debootstrap 0.3.2+ to build a build-essential
# chroot for buildd use

# user suite target <mirror>
if [ "$#" -lt "3" ]; then
	echo "usage: buildd-make-chroot user suite target <mirror>"
	exit 1
fi

if [ "$#" -gt "4" ]; then
	echo "usage: buildd-make-chroot user suite target <mirror>"
	exit 1
fi

USER=$1
SUITE=$2
if echo "$3" | grep -Eq '^/'; then
	TARGET="$3"
else
	TARGET="`pwd`/$3"
fi
if [ "$#" -gt "3" ]; then
	MIRROR=$4
else
	MIRROR=http://incoming.debian.org/debian
fi
debootstrap --variant=buildd --include=sudo,fakeroot,build-essential $SUITE $TARGET $MIRROR
hostname=`hostname`
echo 127.0.0.1 $hostname localhost > $TARGET/etc/hosts
echo "# put any local/close mirrors at the top of the file" > $TARGET/etc/apt/sources.list
if [ "$#" -gt "3" ]; then
	echo "deb     $4 $SUITE main contrib" >> $TARGET/etc/apt/sources.list
fi
echo "deb     http://incoming.debian.org/debian $SUITE main contrib" >> $TARGET/etc/apt/sources.list
echo "deb-src http://incoming.debian.org/debian $SUITE main contrib" >> $TARGET/etc/apt/sources.list
case "$2" in
	sid)
	    echo "deb     http://incoming.debian.org/buildd /" >> $TARGET/etc/apt/sources.list
	    echo "deb-src http://incoming.debian.org/buildd /" >> $TARGET/etc/apt/sources.list
	;;
	woody)
	    echo "deb     http://non-us.debian.org/debian-non-US $SUITE/non-US main contrib" >> $TARGET/etc/apt/sources.list
	    echo "deb-src http://non-us.debian.org/debian-non-US $SUITE/non-US main contrib" >> $TARGET/etc/apt/sources.list
	    echo "deb     http://$hostname:PASSWORD@security-master.debian.org/debian-security $SUITE/updates main contrib" >> $TARGET/etc/apt/sources.list
	    echo "deb-src http://$hostname:PASSWORD@security-master.debian.org/debian-security $SUITE/updates main contrib" >> $TARGET/etc/apt/sources.list
	    echo "deb     http://$hostname:PASSWORD@security-master.debian.org/buildd $SUITE/" >> $TARGET/etc/apt/sources.list
	    echo "deb-src http://$hostname:PASSWORD@security-master.debian.org/buildd $SUITE/" >> $TARGET/etc/apt/sources.list
	    echo "deb     http://incoming.debian.org/debian $SUITE-proposed-updates main contrib" >> $TARGET/etc/apt/sources.list
	    echo "deb-src http://incoming.debian.org/debian $SUITE-proposed-updates main contrib" >> $TARGET/etc/apt/sources.list
	;;
	sarge)
	    echo "deb     http://incoming.debian.org/debian $SUITE-proposed-updates main contrib" >> $TARGET/etc/apt/sources.list
	    echo "deb-src http://incoming.debian.org/debian $SUITE-proposed-updates main contrib" >> $TARGET/etc/apt/sources.list
	    echo "deb     http://$hostname:PASSWORD@security-master.debian.org/debian-security $SUITE/updates main contrib" >> $TARGET/etc/apt/sources.list
	    echo "deb-src http://$hostname:PASSWORD@security-master.debian.org/debian-security $SUITE/updates main contrib" >> $TARGET/etc/apt/sources.list
	    echo "deb     http://$hostname:PASSWORD@security-master.debian.org/buildd $SUITE/" >> $TARGET/etc/apt/sources.list
	    echo "deb-src http://$hostname:PASSWORD@security-master.debian.org/buildd $SUITE/" >> $TARGET/etc/apt/sources.list
	;;
	etch)
	    echo "deb     http://incoming.debian.org/debian $SUITE-proposed-updates main contrib" >> $TARGET/etc/apt/sources.list
	    echo "deb-src http://incoming.debian.org/debian $SUITE-proposed-updates main contrib" >> $TARGET/etc/apt/sources.list
	    echo "deb     http://$hostname:PASSWORD@security-master.debian.org/debian-security $SUITE/updates main contrib" >> $TARGET/etc/apt/sources.list
	    echo "deb-src http://$hostname:PASSWORD@security-master.debian.org/debian-security $SUITE/updates main contrib" >> $TARGET/etc/apt/sources.list
	    echo "deb     http://$hostname:PASSWORD@security-master.debian.org/buildd $SUITE/" >> $TARGET/etc/apt/sources.list
	    echo "deb-src http://$hostname:PASSWORD@security-master.debian.org/buildd $SUITE/" >> $TARGET/etc/apt/sources.list
	;;
esac
getent passwd $USER | sed -re 's/^([^:]+):x/\1:*/' -e 's/:[^:]+:([^:]+)$/:\/nonexistent:\1/' >> $TARGET/etc/passwd
getent group $USER | sed -re 's/^([^:]+):x/\1:*/' >> $TARGET/etc/group
echo $USER  ALL=NOPASSWD:  ALL >> $TARGET/etc/sudoers
mkdir -p $TARGET/var/debbuild/srcdep-lock $TARGET/build/$USER
chown -R $USER:$USER $TARGET/var/debbuild $TARGET/build/$USER
chmod -R 02775 $TARGET/var/debbuild
echo include /etc/ld.so.conf.d/*.conf >> $TARGET/etc/ld.so.conf
(cd $TARGET/dev ; ./MAKEDEV fd)
sudo chroot $TARGET dpkg -P debconf-i18n debconf liblocale-gettext-perl libtext-charwidth-perl libtext-iconv-perl libtext-wrapi18n-perl procps makedev
echo "Successfully setup chroot for a buildd"
echo Possible commands to append to fstab:
echo echo $SUITE-proc $TARGET/proc proc defaults 0 0 \>\> /etc/fstab
echo echo $SUITE-devpts $TARGET/dev/pts devpts defaults,gid=5,mode=600 0 0 \>\> /etc/fstab